/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.bookkeeper.stream.storage.impl.routing;

import org.apache.bookkeeper.stream.proto.RangeProperties;

/**
 * A routing table for figuring the ranges to forward the requests.
 */
public interface RangeRoutingTable {

    /**
     * Get the range metadata for <tt>streamId</tt> and the routing key <tt>routingKey</tt>.
     *
     * @param streamId stream id
     * @param routingKey routing key
     * @return the range that serves this routing key
     */
    RangeProperties getRange(long streamId, byte[] routingKey);

}
